project: Move server/client code into library

Signed-off-by: Ian Moffett <ian@osmora.org>

4 files changed, 224 insertions, 0 deletions

diff --git a/lib/include/libostp/server.h b/lib/include/libostp/server.h
new file mode 100644
index 0000000..a7a737b
--- /dev/null
+++ b/lib/include/libostp/server.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBOSTP_SERVER_H_
+#define LIBOSTP_SERVER_H_
+
+#include <sys/select.h>
+#include <libostp/session.h>
+#include <stddef.h>
+
+#define MAX_CLIENTS 32
+
+struct ostp_listener {
+    int(*on_recv)(struct ostp_session *session, const char *buf, size_t len);
+    int port;
+
+    /* -- Private -- */
+    int clients[MAX_CLIENTS];
+    int serv_sockfd;
+    fd_set client_fds;
+};
+
+void listener_init(struct ostp_listener *lp);
+int listener_bind(struct ostp_session *sp, struct ostp_listener *lp);
+int listener_poll(struct ostp_session *sp, struct ostp_listener *lp);
+void listener_cleanup(struct ostp_listener *lp);
+
+#endif  /* !LIBOSTP_SERVER_H_ */
diff --git a/lib/include/libostp/session.h b/lib/include/libostp/session.h
new file mode 100644
index 0000000..591ac0e
--- /dev/null
+++ b/lib/include/libostp/session.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBOSTP_SESSION_H_
+#define LIBOSTP_SESSION_H_
+
+#include <stdint.h>
+
+#define LIBOSTP_DEBUG 1
+
+struct ostp_session {
+    unsigned char *session_key;
+    int sockfd;
+};
+
+/*
+ * Create a new ostp ostp_session.
+ *
+ * @host: IPv4 address of OST host.
+ * @res: Output for new ostp_session structure.
+ */
+int session_new(const char *host, struct ostp_session *res);
+
+/*
+ * Close an existing/running ostp_session.
+ *
+ * @ostp_session: Session to close.
+ */
+int session_close(struct ostp_session *session);
+
+/*
+ * Encrypt and send data to server.
+ *
+ * @data: Data to send.
+ * @len: Length of data.
+ * @ostp_session: Running ostp_session.
+ */
+int session_send(void *data, uint16_t len, const struct ostp_session *session);
+
+/*
+ * Receive data from the server.
+ *
+ * @buf: Buffer for received data.
+ * @len: Length of buffer.
+ * @ostp_session: Running ostp_session.
+ */
+int session_recv(void *buf, uint16_t len, const struct ostp_session *session);
+
+#endif      /* LIBOSTP_SESSION_H_ */
diff --git a/lib/include/net/auth.h b/lib/include/net/auth.h
new file mode 100644
index 0000000..d672231
--- /dev/null
+++ b/lib/include/net/auth.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef NET_AUTH_H_
+#define NET_AUTH_H_
+
+#include <net/stpsession.h>
+#include <libostp/session.h>
+#include <libostp/server.h>
+
+int handle_srq(struct ostp_session *sp, struct ostp_listener *lp,
+    struct session_request *srq);
+int negotiate_spw(struct ostp_session *sp, unsigned char *session_key);
+
+#endif  /* NET_AUTH_H_ */
diff --git a/lib/include/otconfig.h b/lib/include/otconfig.h
new file mode 100644
index 0000000..9487556
--- /dev/null
+++ b/lib/include/otconfig.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef OTCONFIG_H_
+#define OTCONFIG_H_
+
+/* Config params */
+#define DIAGNOSTIC 0            /* 1 for verbosity */
+#define CONNECTION_TIMEOUT 60   /* In seconds */
+#define ENABLE_MOTD 1           /* Enable message of the day */
+#define ARBITRATION_MAX 5       /* Maximum number of arbitration attempts */
+#define REQUIRE_USER_AUTH 1     /* 1: true, 0: false */
+
+/* Message of the day */
+#if defined(ENABLE_MOTD)
+#if ENABLE_MOTD
+#define MOTD \
+"**************************************************************\n" \
+"            Welcome to the OSMORA Central Server.\n" \
+"      Where the chosen few guide the Industry Reformation.\n\n" \
+"          \"In unity, we transcend the boundaries imposed\n" \
+"                   by the common suits.\"\n\n" \
+"          Your presence has been acknowledged.\n" \
+"         Proceed with purpose, for every action echoes.\n" \
+"**************************************************************\n"
+#endif  /* ENABLE_MOTD */
+#endif  /* defined(ENABLE_MOTD) */
+#endif  /* OTCONFIG_H_ */